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  1. def to2(n: int): return bin(n)[2:]
  2.  
  3.  
  4. def alg(ord):
  5. 	res = 1
  6. 	for i in ord: res += 4 if i == "0" else -3
  7. 	return res
  8.  
  9.  
  10. s = set()
  11. for n in range(0, 128): s.add(alg(to2(n)))
  12. ans = len(s)
  13. print(ans)
Success #stdin #stdout 0.02s 9264KB
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https://ideone.com/b2y9At
language:
Python 3 (python  3.9.5)
created:
2 years ago
visibility:
public

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